-Dad, may I watch TV?-No, you can’t. You _______ finish your homework first.A. must B. can C. may
The air pollution is very serious,we should take___________to stop it.
I think it is __________for them to find the lost bag with the help of the police.
She _____________ a new novel she has written recently in the talk show.
People in our city have raised ____________yuan for the people in the poor area.
Have you seen my book?I remember I put it ___________,but I can’t find it now.